Regenerate 500 life on a single Roach without taking friendly fire in an Unranked or Ranked game.
Prevent the Protoss from capping a Tal’darim Altar in the “Welcome to the Jungle” mission on Hard difficulty.
Complete “The Great Train Robbery” mission without letting a Train pass by on Hard difficulty.
Save 2 Colonist Outposts in the “Safe Haven” mission on Hard difficulty.
Complete the “Shatter the Sky” mission on Hard difficulty in less than 25 minutes.